Traffic Region: East of England
Traffic Authority: Hertfordshire
Road Number: A4251
Road Type: Class A Principal road in Urban area
OS Grid: SP997075
Location: Berkhamsted
Census Point ID: 78115
Census Point Coverage: A4251 between A416 and Hall Park Gate
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| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pedal Cycles | 179 | 171 | 177 | 158 | 128 | 108 | 170 | 106 | 119 | 119 | 98 | 108 | 102 | 101 | 98 | 91 | 85 | 81 |
| Motorcycles and Mopeds | 89 | 93 | 97 | 139 | 91 | 75 | 65 | 62 | 60 | 67 | 60 | 51 | 49 | 54 | 52 | 46 | 45 | 45 |
| Cars | 9,730 | 9,428 | 9,579 | 9,225 | 9,345 | 8,915 | 8,746 | 8,606 | 8,417 | 8,602 | 8,364 | 8,339 | 8,209 | 8,136 | 8,357 | 8,523 | 8,656 | 8,592 |
| Buses and Coaches | 90 | 94 | 94 | 92 | 75 | 71 | 66 | 60 | 53 | 53 | 125 | 118 | 128 | 134 | 129 | 139 | 129 | 120 |
| Light Goods Vehicles | 1,024 | 1,031 | 1,106 | 1,200 | 1,321 | 1,409 | 1,430 | 1,506 | 1,538 | 1,561 | 1,165 | 1,300 | 1,315 | 1,367 | 1,462 | 1,533 | 1,675 | 1,763 |
| Two-axle Rigid HGVs | 342 | 326 | 308 | 298 | 363 | 393 | 379 | 352 | 352 | 320 | 106 | 108 | 109 | 110 | 113 | 107 | 108 | 108 |
| Three-axle Rigid HGVs | 14 | 16 | 16 | 17 | 21 | 22 | 21 | 19 | 22 | 22 | 22 | 24 | 26 | 28 | 32 | 32 | 32 | 33 |
| Four-axle Rigid HGVs | 19 | 19 | 19 | 20 | 27 | 31 | 31 | 32 | 34 | 32 | 12 | 14 | 16 | 18 | 20 | 19 | 21 | 22 |
| Three-axle Articulated HGVs | 12 | 10 | 9 | 9 | 9 | 8 | 6 | 5 | 4 | 4 | 7 | 5 | 3 | 3 | 2 | 3 | 3 | 3 |
| Five-axle Articulated HGVs | 12 | 9 | 8 | 7 | 7 | 5 | 5 | 3 | 3 | 3 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 4 |
| Six-axle Articulated HGVs | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| All HGVs | 406 | 387 | 367 | 358 | 435 | 467 | 450 | 418 | 422 | 388 | 154 | 158 | 161 | 165 | 171 | 166 | 169 | 169 |
| All motor vehicles | 11,339 | 11,033 | 11,243 | 11,014 | 11,267 | 10,937 | 10,757 | 10,652 | 10,490 | 10,671 | 9,868 | 9,966 | 9,862 | 9,857 | 10,172 | 10,406 | 10,673 | 10,690 |
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pedal Cycles | 91 | 87 | 90 | 81 | 65 | 55 | 87 | 54 | 61 | 61 | 48 | 53 | 50 | 49 | 48 | 45 | 41 | 40 |
| Motorcycles and Mopeds | 40 | 42 | 44 | 63 | 41 | 34 | 29 | 28 | 27 | 30 | 35 | 30 | 29 | 32 | 31 | 27 | 26 | 27 |
| Cars | 4,939 | 4,786 | 4,863 | 4,683 | 4,744 | 4,526 | 4,440 | 4,369 | 4,273 | 4,367 | 4,278 | 4,265 | 4,198 | 4,161 | 4,274 | 4,359 | 4,463 | 4,394 |
| Buses and Coaches | 44 | 46 | 46 | 45 | 37 | 35 | 32 | 29 | 26 | 26 | 65 | 61 | 66 | 69 | 67 | 72 | 71 | 62 |
| Light Goods Vehicles | 491 | 494 | 530 | 575 | 633 | 675 | 685 | 722 | 737 | 748 | 578 | 645 | 653 | 678 | 725 | 761 | 817 | 875 |
| Two-axle Rigid HGVs | 170 | 162 | 153 | 148 | 180 | 195 | 188 | 175 | 175 | 159 | 58 | 59 | 60 | 60 | 62 | 58 | 60 | 59 |
| Three-axle Rigid HGVs | 8 | 9 | 9 | 10 | 12 | 13 | 12 | 11 | 13 | 13 | 10 | 11 | 12 | 13 | 14 | 15 | 14 | 15 |
| Four-axle Rigid HGVs | 10 | 10 | 10 | 10 | 14 | 16 | 16 | 17 | 18 | 17 | 6 | 7 | 8 | 9 | 10 | 9 | 10 | 11 |
| Three-axle Articulated HGVs | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Five-axle Articulated HGVs | 8 | 6 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 |
| Six-axle Articulated HGVs | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| All HGVs | 204 | 194 | 184 | 179 | 217 | 234 | 225 | 210 | 213 | 196 | 82 | 84 | 86 | 88 | 91 | 87 | 90 | 89 |
| All motor vehicles | 5,718 | 5,562 | 5,667 | 5,545 | 5,672 | 5,504 | 5,411 | 5,358 | 5,276 | 5,367 | 5,038 | 5,085 | 5,032 | 5,029 | 5,188 | 5,306 | 5,467 | 5,447 |
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pedal Cycles | 88 | 84 | 87 | 77 | 63 | 53 | 83 | 52 | 58 | 58 | 50 | 55 | 52 | 51 | 50 | 46 | 43 | 41 |
| Motorcycles and Mopeds | 49 | 51 | 53 | 76 | 50 | 41 | 36 | 34 | 33 | 37 | 25 | 21 | 20 | 22 | 21 | 19 | 18 | 19 |
| Cars | 4,791 | 4,642 | 4,716 | 4,542 | 4,601 | 4,389 | 4,306 | 4,237 | 4,144 | 4,235 | 4,086 | 4,074 | 4,010 | 3,975 | 4,083 | 4,164 | 4,263 | 4,198 |
| Buses and Coaches | 46 | 48 | 48 | 47 | 38 | 36 | 34 | 31 | 27 | 27 | 60 | 57 | 62 | 65 | 62 | 67 | 67 | 58 |
| Light Goods Vehicles | 533 | 537 | 576 | 625 | 688 | 734 | 745 | 784 | 801 | 813 | 587 | 655 | 663 | 689 | 737 | 772 | 829 | 888 |
| Two-axle Rigid HGVs | 172 | 164 | 155 | 150 | 183 | 198 | 191 | 177 | 177 | 161 | 48 | 49 | 50 | 50 | 51 | 49 | 50 | 49 |
| Three-axle Rigid HGVs | 6 | 7 | 7 | 7 | 9 | 9 | 9 | 8 | 9 | 9 | 12 | 13 | 14 | 15 | 17 | 18 | 17 | 18 |
| Four-axle Rigid HGVs | 9 | 9 | 9 | 10 | 13 | 15 | 15 | 15 | 16 | 15 | 6 | 7 | 8 | 9 | 10 | 9 | 10 | 11 |
| Three-axle Articulated HGVs | 7 | 6 | 5 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 4 | 3 | 2 | 2 | 1 | 2 | 2 | 2 |
| Five-axle Articulated HGVs | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Six-axle Articulated HGVs | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| All HGVs | 202 | 193 | 183 | 179 | 218 | 233 | 225 | 208 | 209 | 192 | 72 | 74 | 76 | 78 | 81 | 78 | 80 | 80 |
| All motor vehicles | 5,621 | 5,471 | 5,576 | 5,469 | 5,595 | 5,433 | 5,346 | 5,294 | 5,214 | 5,304 | 4,830 | 4,881 | 4,831 | 4,829 | 4,984 | 5,101 | 5,258 | 5,243 |
Figures are daily averages calculated from all traffic counts over the course of the year.
Values are rounded to the nearest whole number.
A value of zero for any entry means that there were either no recorded vehicles of that type or too few to register after rounding.
A blank value means that there were no counts made in that year.
Click or tap on the column headings to see a pie chart of the data.